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You are here: Home / By Age / Elementary / Science for Kids: Exploring Sound with a Hanger and String

April 12, 2013 By Chelsey

Science for Kids: Exploring Sound with a Hanger and String

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Here’s a fun science activity for kids using common household items. Grab some string and a hanger and explore sound!

*This science activity correlates with Next Generation Science Standard (NGSS) 1-PS4-1.

Follow our Science for Kids Pinterest board!

 

Science for Kids: Exploring Sound with a Hanger~ BuggyandBuddy.com

 

 

Exploring Sound with a Hanger and String

Explore the science of sound with a just a wire hanger and some string!

This post contains affiliate links.

 

Materials for Sound Experiment

  • wire hanger
  • string

 

Procedure for Sound Experiment

  1. Tie the hook of a wire hanger to the center of a large piece of string. (About 3 feet long)
  2. Wrap the ends of the string around your index fingers.
  3. Now put your hands over the openings of your ears while holding the string.
  4. Lean over and swing the hanger so that it taps against a table or door. What do you hear?

 

Lucy’s Observations & Comments: “It sounds like a bell!” “The hanger got the noise and it went through the hanger and through the string to my ears.”

 

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Question to Spark More Curiosity & Critical Thinking:

How did it sound? Does banging the hanger against the table sound different if you don’t put the string to your ears? How? How do you think the sound gets to your ears?

 

What’s Going On:

Sound waves are created by the vibration of an object (the wire hanger and string).  When vibrations hit your ear drum, your brain interprets the vibrations as sound. The sound waves can travel through air, liquids and solids. When we listen to the hanger hit the table with the string to our ears, the sound waves are traveling through the solid string and hanger. Since sound waves travel more quickly through solids, we hear the sound more clearly. When we bang the hanger without putting the string to our ears, the sound waves are traveling through air to get to our ears making the sound more quiet.

 

Check out this awesome video showing how sound travels! 

Want to go even further?

Even more activities to inspire creativity and critical thinking for various ages:

    • Try varying the length of the string. Does it affect the sound you hear?
    • Try attaching other objects to the string and testing them out.
    • Make your own wind chime to hang outside!
    • Make some homemade musical instruments.

 

 

Love awesome, hands-on STEM activities? Check out our newest book, STEAM Kids with over 50 science, technology, engineering, art, and math activities to instill a love of learning and creativity in your child or students!

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Filed Under: Elementary, Kindergarten, Preschool, Quick & Easy, Science, Science Invitations, Sensory Play, Sound Tagged With: science experiments, sound

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Welcome to Buggy and Buddy! I'm Chelsey, a former teacher and parent living on the central coast of California. I love sharing crafts, science, STEM and STEAM activities, free printables and more! Read More…

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